linux-kernel - Re: linux-next: build warning after merge of the mm-hotfixes tree

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Date: Tue, 16 Apr 2024 11:51:14 -0700
From: Andrew Morton <akpm@...ux-foundation.org>
To: Stephen Rothwell <sfr@...b.auug.org.au>
Cc: Qiang Zhang <qiang4.zhang@...el.com>, Linux Kernel Mailing List
 <linux-kernel@...r.kernel.org>, Linux Next Mailing List
 <linux-next@...r.kernel.org>
Subject: Re: linux-next: build warning after merge of the mm-hotfixes tree

On Tue, 16 Apr 2024 17:35:25 +1000 Stephen Rothwell <sfr@...b.auug.org.au> wrote:

> Hi all,
> 
> After merging the mm-hotfixes tree, today's linux-next build (htmldocs)
> produced this warning:
> 
> lib/bootconfig.c:911: warning: Function parameter or struct member 'early' not described in '_xbc_exit'
> lib/bootconfig.c:911: warning: expecting prototype for xbc_exit(). Prototype was for _xbc_exit() instead
> 
> Introduced by commit
> 
>   aaeda6237dec ("bootconfig: use memblock_free_late to free xbc memory to buddy")
> 
> from the mm-hotfixes-unstable branch of the mm-hotfixes tree.

Thanks.  How's this?

--- a/lib/bootconfig.c~bootconfig-use-memblock_free_late-to-free-xbc-memory-to-buddy-fix
+++ a/lib/bootconfig.c
@@ -901,7 +901,8 @@ static int __init xbc_parse_tree(void)
 }
 
 /**
- * xbc_exit() - Clean up all parsed bootconfig
+ * _xbc_exit() - Clean up all parsed bootconfig
+ * @early: in early xbc init error
  *
  * This clears all data structures of parsed bootconfig on memory.
  * If you need to reuse xbc_init() with new boot config, you can
_